internal horizontal drive

例句：

1. 1.The internal horizontal drive is responsible for thesmooth operation of the machine.
   内部水平驱动负责机器的平稳运行。
2. 2. In thiscase, the internal horizontaldrive was not functioning properly.
   在这种情况下，内部水平驱动没有正常工作。
3. 3. Theengineers were able to identify and fixthe internal horizontal drive problem.
   工程师们能够识别并修复内部水平驱动问题。